How steep should roof be for shingles?

2/12
Minimum Pitch/Slope of An Asphalt Shingle Roof Shingles of all types need to have a slope to function properly. The minimum requirement is 2/12. The 2/12 number is rise over run or two units of vertical for every 12 units horizontal. That works out to about nine degrees if that works better for you.

Does a steep roof cost more to replace?

Because of the additional materials, the increased time the job will take and the cost of equipment required to get the job done safely, replacing shingles on a steep-sloped roof will cost significantly more than doing the job on a low-sloped roof.

What kind of shingles to use on a low slope roof?

Roof slope The slope or pitch of a roof dictates the type of shingles you should install. For a low-slope roof such as 4:12 to 2:12, three-tap shingles are preferable. Low-slope roofs are more susceptible to ice and water problems such as ice dams, so better flow properties are important to consider for installation.

What’s the best way to replace roof shingles?

1. Replacing Roof Shingles 1. Slip a flat pry bar under the damaged shingle and press down to pop out the roofing nails. If part of a shingle is missing, you’ll have to replace the whole thing.

When do you need to know the pitch of a roof?

However, before you can make the call on what to put on the roof, you need to know the pitch or slope of the roof! The roof pitch is necessary for two things – one, estimating the amount of material to be ordered for the job and two, knowing what materials are suited for the roof.

Which is better a flat roof or a low pitch roof?

Low-pitch roofs are seldom used in regions of severe weather due to the stress of snow accumulation on roofs of structures. Flat roofs can be significantly cheaper to install than a pitched roof, but they will often require more maintenance.

How big of a pitch can asphalt shingles be applied to a roof?

A: Former senior editor Roe A. Osborn replies: According to the Asphalt Roofing Manufacturers Association (301-348-2002), asphalt shingles can be applied to a roof with a pitch as shallow as 2-in-12.

What kind of shingles should I use on my roof?

They are typically 36 inches long in total. Architectural shingles are another option, and are installed the same way as 3-tab shingles, but give your roof more of a 3-D effect due to their varied shapes. Measure your roof so you can be sure you buy the right amount of shingles.

Can you put asphalt shingles on a low slope roof?

Former senior editor Roe A. Osborn replies: According to the Asphalt Roofing Manufacturers Association (301-348-2002), asphalt shingles can be applied to a roof with a pitch as shallow as 2-in-12. However, roofing over old shingles should be done only when the existing shingles and the roof underneath are in good shape.